521400078

素因数分解:

$2^1\times 3^4\times {\mathrm{37}}^2\times {\mathrm{2351}}^1$

素因数の和:2439

約数の個数: 60

約数和(自身を含む): 1201262832

約数和(自身を除く): 679862754

約数列:

[1, 2, 3, 6, 9, 18, 27, 37, 54, 74, 81, 111, 162, 222, 333, 666, 999, 1369, 1998, 2351, 2738, 2997, 4107, 4702, 5994, 7053, 8214, 12321, 14106, 21159, 24642, 36963, 42318, 63477, 73926, 86987, 110889, 126954, 173974, 190431, 221778, 260961, 380862, 521922, 782883, 1565766, 2348649, 3218519, 4697298, 6437038, 7045947, 9655557, 14091894, 19311114, 28966671, 57933342, 86900013, 173800026, 260700039, 521400078]

約数ペア:

[(1, 521400078), (2, 260700039), (3, 173800026), (6, 86900013), (9, 57933342), (18, 28966671), (27, 19311114), (37, 14091894), (54, 9655557), (74, 7045947), (81, 6437038), (111, 4697298), (162, 3218519), (222, 2348649), (333, 1565766), (666, 782883), (999, 521922), (1369, 380862), (1998, 260961), (2351, 221778), (2738, 190431), (2997, 173974), (4107, 126954), (4702, 110889), (5994, 86987), (7053, 73926), (8214, 63477), (12321, 42318), (14106, 36963), (21159, 24642)]